Uses the Celery queue for indexing.
- django-haystack (https://github.com/toastdriven/django-haystack, http://haystacksearch.org/)
- celery (https://github.com/ask/celery)
- django-celery (https://github.com/ask/django-celery)
This is heavily based on https://github.com/mixcloud/django-celery-haystack-SearchIndex